Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 329: | \[{28^{329}-1\over27}\] | 113 × 6299 × 4422461 × 24128861 × 32853941 × 703059625493<12> × 21277176429749<14> × 3425165712672937943<19> × 347263946374443738653441<24> × [108703305854825104166106803219863980566658278932004032008115006914009540932810740883704971632576860541480997669875442334145881111417628350442670976934956172897340318809399310149281719646886423693264902679258748105336331449764681500048215388615368974705727071401069389019815261702822778055205559111482040695793455730812152641640742268796805240281403538000028204335253682115328122093<381>] |